x=int(input())

print(8-(x-400)//200) x=int(input()) x int(input()) int input() input print(8-(x-400)//200) print 8-(x-400)//200 8 (x-400)//200 x-400 x 400 200 x=int(input()) int(input()) x
x=int(input())

print(8-(x-400)//200)